0 Getting started: Introduction and installation guide

This book will teach you how to write Python programs that run on the command line. If you have never used the command line before, don’t worry! You can use programs like PyCharm (see figure 0.1) or Microsoft’s VS Code to help you write and run these programs. If you are completely new to programming or to the Python language, I will try to cover everything I think you’ll need to know, although you might find it useful to read another book first if you’ve never heard of things like variables and functions.

In this introduction, we’ll discuss

  • Why you should learn to write command-line programs

  • Tools and environments for writing code

  • How and why we test software

Writing command-line ...

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